
The OnePlus 6 is a powerhouse of a smartphone that's sure to impress. It features a 6.28-inch AMOLED display with a resolution of 1080 x 2280 pixels.
One of the standout features of the OnePlus 6 is its performance. With a Qualcomm Snapdragon 845 processor and up to 8GB of RAM, it can handle demanding tasks with ease. I've personally used the phone for gaming and multitasking, and it's performed flawlessly every time.
The OnePlus 6 also boasts a sleek and durable design. Its aluminum frame and glass back make it a premium-looking device that's comfortable to hold. The phone's dimensions are 155.7 x 75.4 x 7.7mm, and it weighs in at 177g.
One of the most exciting aspects of the OnePlus 6 is its camera system. With a dual-camera setup featuring a 20MP primary sensor and a 16MP secondary sensor, it's capable of capturing stunning photos and videos.
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Design and Display
The OnePlus 6 has a big, bright, and colorful screen that's perfect for daily use.
The default color mode is fine for most users, but you can calibrate it to a range of other color profiles or set your own.
I was surprised by how little I noticed the notch on the phone, and it only bothered me for about two hours before I got used to it.
OnePlus made some sensible decisions with the notch, moving the clock and notifications to the left and battery and signal strength to the right.
The notch can be turned off and made black if it bothers you, and it'll happen automatically when viewing photos or playing video full-screen in landscape mode.
The screen is missing an always-on ambient display, which would be nice to have, especially at night when you can see the time without lighting up the room.
This feature was available in pre-release versions of the phone, but was removed due to battery life concerns.
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Hardware and Performance
The OnePlus 6 has a sleek all-glass build that's different from its predecessors, with 6 or 8 GB of RAM and a choice of 64, 128 or 256 GB of UFS 2.1 storage.

The phone features a slightly larger AMOLED 2280 x 1080 display with a cutout at the top for the front camera, sensors, earpiece, and notification LED. It also uses 2.5D Corning Gorilla Glass 5 as a cover glass and supports Bluetooth 5.0 and NFC.
The phone has two rear-facing cameras, with the primary one using the Sony IMX 519 sensor with OIS and the secondary camera using the Sony IMX 376K sensor for a bokeh effect in portrait mode. It's also dust, splash, and water resistant, although it's not certified with an IP Code and OnePlus suggests against submerging the device.
Here are the key specs:
- 6 or 8 GB of RAM
- 64, 128 or 256 GB of UFS 2.1 storage
- AMOLED 2280 x 1080 display
- Bluetooth 5.0 and NFC
- Two rear-facing cameras with OIS and bokeh effect
The phone also has an Alert slider on the right side with 3 notification profiles: Silent, Vibrate and Ring, and comes in four color variants: Mirror Black, Midnight Black, Silk White, and Amber Red.
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Hardware
The OnePlus 6 has an all-glass build that sets it apart from its predecessors. This sleek design houses 6 or 8 GB of RAM, the powerful Snapdragon 845 processor, and a choice of 64, 128 or 256 GB of UFS 2.1 storage.
The phone features a slightly larger AMOLED display with a resolution of 2280 x 1080 pixels. This display has a cutout at the top for the front camera, sensors, earpiece, and notification LED. It also sports 2.5D Corning Gorilla Glass 5 as a cover glass and supports Bluetooth 5.0 and NFC.
The phone has two rear-facing cameras, with the primary one using the Sony IMX 519 sensor with optical image stabilization (OIS). The secondary camera uses the Sony IMX 376K sensor to create a bokeh effect in portrait mode.
The phone is dust, splash, and water resistant, but it hasn't been certified with an IP Code. OnePlus warns against submerging the device, and water damage is not covered by the warranty.
The phone has an Alert slider on the right side, which allows you to switch between three notification profiles: Silent, Vibrate, and Ring.
Here are the four available color variants for the OnePlus 6:
- Mirror Black
- Midnight Black
- Silk White
- Amber Red
Software and Performance
The OnePlus 6 runs on OxygenOS, a custom take on Android that's surprisingly uncluttered and familiar to Android users.
OxygenOS 5.1, based on Android 8.1, provides a smooth experience with buttery-smooth scrolling, instantaneous app switching, and no stutters.
Games like Asphalt 9 perform flawlessly, thanks to the phone's gaming mode that turns off notifications and limits data usage of background apps.
The dark theme option is a nice touch, applying to both the system interface and included apps, and it looks great.
Standard features like night mode, gesture support, and reading mode are built-in, making this phone a pleasure to use.
However, some users might notice delayed notifications, which can be solved by switching off aggressive battery saving for specific apps.
The phone's battery saving feature is a double-edged sword, stopping over-excited apps from draining the battery unnecessarily, but it needs to be more obvious to casual users how to change it.
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A notable omission from the Pixel 2 is the Google feed, which shows up when swiping right and has learned to display personalized content over time.
The OnePlus 6 can be upgraded to Android 15 via LineageOS, but currently runs on Android 11, which is a significant improvement from its initial Android 8.1 installation.
The phone's custom operating system has also attracted the attention of Linux communities and FOSS enthusiasts, who have successfully ported Linux distributions and developed mobile applications for the phone.
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Camera and Image Quality
The camera on the OnePlus 6 has been a major area of improvement compared to previous models.
Photo quality has long been a weakness of OnePlus phones, especially in low light, but the OnePlus 6 has made significant strides in this area.
Low-light performance is still not perfect, but it's a lot better than in previous models.
The phone's camera will often introduce visible noise in dark areas of photos, but it'll usually produce a brighter and more usable image as a result.
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You won't be winning any photography awards with night shots, but you'll have a decent chance of taking something you'd be happy sharing with friends.
The images I took with the OnePlus 6 were largely impressive, but not entirely so - I compared them to the same shots on the class-leading Pixel 2 and found some differences.
Battery and Charging
The OnePlus 6 has a battery life that's impressive, averaging around 30 hours of moderate use. This means you can easily get through a day without needing to recharge, and still have some juice left over.
Using the phone for tasks like listening to music via Bluetooth, using Google Maps for directions, taking photos, and reading can drain the battery, but the OnePlus 6 handles it well. My typical day with the phone involves these activities, and I can easily go from 8 am to lunchtime the next day without needing to recharge.
The phone's battery is 3300mAh, which is significantly larger than some other devices, like the Pixel 2, which has a 2700mAh battery. This bigger battery helps the OnePlus 6 last longer on a single charge.
If you're a gamer, you'll love the high specifications of the OnePlus 6, but be aware that the battery will drain faster when you're playing games. This is especially true on long travel days when you'll be using the phone more than usual.
Using the official Dash charger and cable is essential if you want to take advantage of the phone's fast charging capabilities. This charger can add 54% to the battery in just half an hour, which is a huge time-saver when you're traveling.
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Security and Software
The OnePlus 6 has a Face Unlock technology that's extremely fast and convenient, but it's less secure than fingerprint and password.
OnePlus talks about its Face Unlock technology as a justification for the phone's notch, but I have mixed feelings about it. The warning that it's "less secure than fingerprint and password" gives me pause.
The fingerprint sensor on the back of the OnePlus 6 is in a sensible place, and my finger always finds it straight away.
It's not as tall as that found on many other phones, however, and I have noticed a few more failed reads than usual. It's still rare, though, and the vast majority of the time, the screen unlocks immediately.
OnePlus has made significant improvements in supporting its phones, with software updates shipping on a more regular basis. The first stable version of OxygenOS 9.0 based on Android Pie was released on September 21, 2018.
The OnePlus 6 is currently on Android 11, but can be upgraded to Android 15 via LineageOS. This means you can enjoy the latest security patches and features even after the official support period ends.
OnePlus' custom take on Android, OxygenOS, is a better operating system because of its minimal changes to the stock experience. It's very familiar if you've used Android before, and you can still customize it to your heart's content.
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Specifications
The OnePlus 6 is a powerhouse of a phone, and here are some of its key specs.
It has a 6.28-inch AMOLED display with a resolution of 1080 x 2280 pixels.
You can choose from 64GB or 128GB of internal storage, which is plenty for most users.
The phone is powered by a Qualcomm Snapdragon 845 processor, which provides lightning-fast performance.
The OnePlus 6 comes with 6GB or 8GB of RAM, making it perfect for multitasking.
It has a dual-camera setup with a 16MP primary sensor and a 20MP secondary sensor.
The phone is available in three colors: Mirror Black, Midnight Black, and Silk White.
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Pros and Cons
The OnePlus 6 is a powerhouse of a phone, with plenty of power and strong cameras. It's also got a clean and fuss-free Android interface that's a pleasure to use.
Here are some of the key pros of the OnePlus 6:
- +Plenty of power
- +Strong cameras
- +Clean, fuss-free Android interface
- +Glass design is premium
The only real con is the lack of expandable storage, which might be a deal-breaker for some users.
Pros

The OnePlus 6 has a lot going for it. One of the standout features is its plenty of power, making it a great choice for heavy users.
The phone's strong cameras are another major plus, capturing high-quality photos and videos.
The Android interface is also a highlight, with a clean and fuss-free design that's easy to navigate.
The glass design is premium, giving the phone a sleek and sophisticated look.
One user even reported that their OnePlus 6 was still working flawlessly with a custom rom, running Android 15 with no lag or delay.
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Cons
The OnePlus 6 isn't perfect, and it's worth considering its downsides before making a purchase. The phone's resolution is only Full HD, which might not be enough for those who want a sharper display.
One of the notable cons is the lack of expandable storage. This means you're stuck with the internal storage, which can be a problem if you have a lot of files, photos, or apps.
The single, down-firing speaker is another drawback. It's not as immersive or loud as some other smartphones on the market.
Here are the cons in a nutshell:
- Only Full HD resolution
- No expandable storage
- Single, down-firing speaker
Availability and Price
The OnePlus 6 was released on May 22, 2018, and it's available in various locations including North America, Europe, and India.
You can get the OnePlus 6 on contract from O2 in the UK, or SIM-free from OnePlus' own website. The weight of the device is 177g, and it measures 155.7 x 75.4 x 7.8mm.
The OnePlus 6 starts at $529 (£469, Rs 34,999) for the 6GB/64GB configuration, which is more expensive than the OnePlus 5T.
Here's a breakdown of the OnePlus 6 prices:
The 128GB variant is the only one available in the limited edition red finish, so if you like the look of it, you may want to act fast.
Verdict and Conclusion
The OnePlus 6 is a solid choice for anyone in the market for a new phone. It feels grown-up and doesn't look out of place alongside top-flight competition from Apple, Samsung, and Sony.
Performance is one of the standout features of the OnePlus 6, with good overall speed and responsiveness. The screen is also a highlight, being bright and colorful.
One of the things that really sets the OnePlus 6 apart is its design, which is both appealing and premium-feeling. It's a phone that you can be proud to show off.
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Network and Compatibility
The OnePlus 6 has 2 variants for cellular networks worldwide.
One of the key differences between the two variants is their support for different LTE bands. The A6000 variant supports FDD LTE on bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 29, and 66, as well as TDD LTE on bands 34, 38, 39, 40, and 41.
The A6003 variant, on the other hand, supports a more extensive range of LTE bands, including FDD LTE on bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 66, and 71.
Here's a breakdown of the LTE bands supported by each variant:
Both variants support quad-band GSM and CDMA on bands BC0 and BC1, as well as UMTS on bands 1, 2, 4, 5, 8, 9, and 19, and TD-SCDMA on bands 34 and 39.
Frequently Asked Questions
How old is the OnePlus 6?
The OnePlus 6 was released in May 2018, making it around 5 years old as of 2023.
Is OnePlus 6 still supported?
OnePlus 6 is no longer receiving software updates as of November 2021. Check our support page for more information on its current status and available resources.
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